Modification of the slider

【Contents of fix】
■Fixed a bug that the top page slider may have a blank space depending on the screen size.
■The top page slider is now always scaled to fit the screen width when viewed on a smartphone.

The following are the files that have been modified for this update.
【Corrected files】
header.php
style_pc.css
style.css

For more information, please visit the NEXTAGE (tcd021) download site for purchasers.